Test B: The Instrument Cluster Illumination Is Inoperative

PINPOINT TEST B: THE INSTRUMENT CLUSTER ILLUMINATION IS INOPERATIVE

B1:

B2-B3:

Normal Operation
Variable voltage is supplied to the instrument cluster from the instrument panel dimmer switch on circuit 19 (LB/RD). The instrument cluster is grounded through circuit 57 (BK).

Possible Causes
- circuit 19 (LB/RD) open
- circuit 57 (BK) open
- instrument cluster